An un - satisfying shit, usually where the person fails to reach point break, and is too embarrassed to spend half an hour seeing the whole thing through, or make two trips to the toilet. The discomfort, heat and sweat associated with this can be amplified by people occupying your direct vicinity, increasing greatly with an increasing number of people and how close they get.

"Man, I was so uncomfortable during that staff meeting due to needing a shit... Not only did I have to put the meeting on hold, I came back with mad clumpf and that just made things much worse. I think I'm going to get fired."